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A Multi-objective Approach to Solve the Location Areas Problem

  • Víctor Berrocal-Plaza
  • Miguel A. Vega-Rodríguez
  • Juan M. Sánchez-Pérez
  • Juan A. Gómez-Pulido
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7505)

Abstract

The Public Land Mobile Networks (PLMN) are designed to provide anywhere, any kind, and anytime services to either static or moving users, therefore mobile location management is a fundamental tool in these systems. One of the techniques used in mobile location management is the location areas strategy, which set out the problem as an optimization problem with two costs, location update and paging. In this paper we resort to a multi-objective evolutionary algorithm, Non-dominated Sorting Genetic Algorithm II (NSGA-II), for finding quasi-optimal solutions of this optimization problem. At present, there is not any previous work that addresses the problem in a multi-objective manner, so we compare our results with those obtained by mono-objective algorithms from other authors. Results show that, for this problem, better solutions are achieved when each objective is treated separately.

Keywords

Mobile Location Management Multi-Objective Optimization Non- Dominated Sorting Genetic Algorithm Location Areas Problem 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Víctor Berrocal-Plaza
    • 1
  • Miguel A. Vega-Rodríguez
    • 1
  • Juan M. Sánchez-Pérez
    • 1
  • Juan A. Gómez-Pulido
    • 1
  1. 1.Dept. Technologies of Computers & CommunicationsUniversity of Extremadura Escuela PolitécnicaCáceresSpain

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